关于头颅摄影注意事项的叙述，错误的是() ["A．颅骨切线位可不用滤线器","B．中心线倾斜角度必须准确","C．颅底骨折病人常取颌顶位摄影","D．可取平静呼吸下屏气曝光","E．焦-片距一般为100cm"]
由腕骨、掌骨及指骨构成手的纵弓关键点在() ["A．掌指关节","B．指间关节","C．远侧指间关节","D．近侧指间关节","E．腕关节"]
急性肾功能衰竭少尿期发生高钾血症的因素有哪些?
鼻咽癌病人有舌下神经麻痹，表明肿瘤已侵至() ["A．鼻腔","B．口咽","C．茎突后间隙","D．咽后间隙","E．前颅凹"]
引起肺栓塞的病因有哪些?
哪些肾实质疾病或因素可导致急性肾功能衰竭?
